/Engine/Source/Runtime/Engine/Classes/Kismet/KismetSystemLibrary.h
Returns 'value' if -option=value is in the string
static bool ParseParamValue ( const [FString](API\Runtime\Core\Containers\FString) & InString, const [FString](API\Runtime\Core\Containers\FString) & InParam, [FString](API\Runtime\Core\Containers\FString) & OutValue )